The present disclosure relates to a wireless communication system. More specifically, the present disclosure relates to: a method for transmitting a physical random access channel (PRACH) in at least one carrier from among a first carrier group on the basis of a channel sensing result, receiving a random access response (RAR) in at least one carrier from among a second carrier group in response to the transmission of the PRACH, and transmitting a physical uplink shared channel (PUSCH) on the basis of the RAR; and an apparatus therefor.
Legal claims defining the scope of protection, as filed with the USPTO.
3. The method of claim 1, wherein the first channel sensing is performed on the sub-band with a highest reference signal received power (RSRP) for a synchronization signal block (SSB).
4. The method of claim 1, wherein the sub-band is a subband related to a lowest energy detection (ED) level based on the channel sensing or the sub-band that has a PRACH transmission time closest to a channel sensing time.
5. The method of claim 1, wherein the RAR is received on at least one sub-band in a BWP that is identical to the BWP.
6. The method of claim 1, wherein the RAR is received on at least one sub-band in a BWP that is different from the BWP.
7. A non-transitory medium which is readable by a processor and storing instructions cause the processor to perform the method of claim 1.
12. The device of claim 10, wherein the first channel sensing is performed on the sub-band with a highest reference signal received power (RSRP) for a synchronization signal block (SSB).
13. The device of claim 10, wherein the sub-band is a subband related to a lowest energy detection (ED) level based on the channel sensing or the sub-band that has a PRACH transmission time closest to a channel sensing time.
14. The device of claim 10, wherein the RAR is received on at least one sub-band in a BWP that is identical to the BWP.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
April 5, 2019
November 15, 2022
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.